  const parsequery = function(json, Key){
    let queryArr = [];
  　for(var i=0;i<json.length;i++){
  　　　for(var key in json[i]){
          if (key == Key) {
            queryArr.push(json[i][key])
          }
      }
  　}
  console.log(queryArr.toString())
  return  queryArr.toString()
  }
  
  let Pid = parsequery(json, 'Pid')
  let devno = parsequery(json, 'devno')
  let content = parsequery(json, 'content')
  let type = parsequery(json, 'type')
  let time = parsequery(json, 'time')
  let note = parsequery(json, 'note')

  let querystring = Pid + devno + content + type + time + note
  console.log(querystring)